// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_VPN_SERVICE_PROXY_H_
#define CONTENT_PUBLIC_BROWSER_VPN_SERVICE_PROXY_H_

#include <memory>
#include <vector>

#include "base/callback.h"
#include "content/common/content_export.h"

namespace content {
class PepperVpnProviderResourceHostProxy;

// Describes interface for communication with an external VpnService.
// All the methods below can only be called on the UI thread.
class CONTENT_EXPORT VpnServiceProxy {
public:
    using SuccessCallback = base::Closure;
    using FailureCallback = base::Callback<void(const std::string& error_name,
        const std::string& error_message)>;

    virtual ~VpnServiceProxy() { }

    // Binds an existing VPN connection in the VpnService. Registers with the
    // VpnService the Resource host back-end.
    virtual void Bind(const std::string& host_id,
        const std::string& configuration_id,
        const std::string& configuration_name,
        const SuccessCallback& success,
        const FailureCallback& failure,
        std::unique_ptr<PepperVpnProviderResourceHostProxy>
            pepper_vpn_provider_proxy)
        = 0;

    // Sends an IP packet to the VpnService.
    virtual void SendPacket(const std::string& host_id,
        const std::vector<char>& data,
        const SuccessCallback& success,
        const FailureCallback& failure)
        = 0;
};

} // namespace content

#endif // CONTENT_PUBLIC_BROWSER_VPN_SERVICE_PROXY_H_
